AUTOMATIC NOISE CANCELLATION FOR UNSHIELDED MR SYSTEMS
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United States of America Patent
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Issued Date -
Feb 28, 2008
app pub date -
Aug 23, 2007
filing date -
Aug 24, 2006
priority date (Note) -
Abandoned
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Abstract
A signal processing system for active, environmental, electronic noise suppression is proposed. The system employs a noise sense coil outside the imaging volume to detect the environmental electronic noise, it subtracts the correlated noise in the environmental signal from the imaging signal. The noise suppression eliminates the need for the RF shield around the room containing the scanner.
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